PEA FAMILY 475 



olate, scarious-margined, abruptly long-acuminate; calyx canescent-strigose; 

 tube about 3 mm. long; teeth subulate, about 8 mm. long; corolla about 15 mm. 

 long. Stony slopes: Wyo. Utah Mont. Submont. Mont. Je-Jl. 



33. T. uintense Rydb. Leaflets oblanceolate, acute and mucronate, entire, 

 1-2 cm. long, sparingly pubescent or glabrate above; peduncle about 6 cm. long; 

 bracts lanceolate, 5-8 mm. long, slightly if at all scarious-margined; calyx only 

 slightly pubescent; tube 2.5 mm. long; teeth subulate-setaceous, about 7 mm. 

 long; corolla purple, about 15 mm. long. Mountains: Utah. Subalp. 



34. T. andinum Nutt. Stems 1-5 cm. long, scapiform, with two leaves 

 close under the heads, strigose-canescent; leaflets oblanceolate to cuneate-oblong, 

 5-10 mm. long, densely canescent on both sides; heads sessile; calyx canescent; 

 tube 3-4 mm. long; teeth subulate, 4 mm. long; corolla ochroleucous, 8 mm. long, 

 1-seeded. Stony hillsides and mountains: Wyo. Utah. Submont. Je-Jl. 



35. T. salictorum Greene. Leaflets elliptic, acute or obtuse, 1-2 cm. long; 

 peduncles 4-10 cm. long; bracts ovate or obovate, 5-10 mm. long, acute, more or 

 less toothed or cleft at the apex; calyx-tube 3 mm. long; teeth unequal, the upper 

 1.5-2 mm., the lower 3-4 mm. long; corolla bluish purple, about 15 mm. long. 

 High mountains: Colo. Subalp. Alp. Jl. 



36. T. Parry! A. Gray. Leaflets from oblanceolate to oval or obovate, 

 usually sharply denticulate, 1-4 cm. long, acute or obtuse; peduncles 5-15 cm. 

 long; bracts usually obovate, purple-veined and more or less toothed; calyx- 

 tube 2.5-3 mm. long; teeth lanceolate, 2-3 mm. long; corolla purple, 15-17 mm. 

 long. High mountains: Wyo. Utah Colo. Subalp. Alp. Jl-Au. 



37. T. inaequale Rydb. Leaflets oblanceolate or oblong, acute or obtuse, 

 minutely denticulate, rather fleshy, 1.5-3 cm. long; peduncles 1-2 dm. long; 

 bracts ovate or lanceolate, 5-7 mm. long; calyx-tube 3 mm. long; teeth unequal, 

 the upper 2-2.5 mm., the lower 3.5-4 mm. long, lance-subulate; corolla purple, 

 about 15 mm. long. Mountains: Utah. Subalp. Alp. 



38. T. montanense Rydb. Leaflets 0.5-2 cm. long, obovate, rounded and 

 mucronate at the apex; peduncles 2-10 cm. long; ascending or decumbent; head 

 8-20-flowered; bracts obovate, often bluntly toothed, obtuse or acute; sepals 

 subulate, the lower fully 3 mm., the upper scarce!^ 2 mm. long; corolla dark 

 purple, about 12 mm. long. High mountains : Mont. Wyo. Subalp. Alp. Jl. 



39. T. spinulosum Dougl. Stems decumbent, 3-5 dm. long, glabrous; 

 leaflets oblong to oval, acute at each end, 1.5-2.5 cm. long; involucre about 8 

 mm. high, cleft about halfway down, again incised, with lanceolate spinulose 

 teeth; calyx glabrous; tube 3 mm. long; teeth lanceolate-subulate, 5-7 mm. long; 

 corolla 12-15 mm. long. Wet meadows: Wash. Ida. Calif. Submont. 

 Je-Jl. 



40. T. Fendleri Greene. Stem erect or decumbent, 2-5 dm. high; leaflets 

 of the lower leaves obcordate or obovate and emarginate, about 1 cm. long; 

 leaflets of the upper leaves oblong or oblanceolate, about 3 cm. long; peduncles 

 5-15 cm. long; involucre 5-8 mm. high, whitish at the base; calyx glabrous, 

 about 3 mm. long; teeth subulate, 4 mm. long, subequal. Wet meadows: Colo. 

 Utah Ariz. N.M.; Mex. Son. Submont. 



41. T. oxyodon Greene. Stem ascending, 1-2 dm. high; leaflets oblong to 

 linear-oblanceolate, acute or the lowjer obtuse, 0.5-2 cm. long; peduncles 1-3 cm. 

 long; involucres 6-7 mm. high; calyx glabrous; tube 2 mm. long; teeth subulate, 

 3 mm. long; corolla purple. Meadows: Colo. Submont. Au. 



42. T. variegatum Nutt. Glabrous; stems decumbent or ascending, often 

 branched; leaflets obovate or oblong-obovate, rounded or emarginate at the apex, 

 minutely 5-10 mm. long; involucre 2-3 mm. high, cleft to about the middle and 

 laciniately spinulose-lobed; calyx glabrous; tube 2 mm. long; teeth lanceolate, 

 spinulose-acuminate, 2 mm. long; corolla dark purple, tipped with white. Grassy 

 slopes: B.C. Calif. Utah Mont. Son. Submont. My-Au. 



43. T. subsalinum Greene. Glabrous; stem hollow, flaccid, prostrate, 

 1-6 dm. long; leaflets obovate or obovate-oblong, mostly 1.5-2 cm. long, obtuse, 



